Finding the Fourth Proportional to 145,050,065.06, 217,438,311.63 and 72,197,967.62
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Solution
The fourth proportional to 145,050,065.06, 217,438,311.63 and 72,197,967.62 is: 108,228,866.88
Step by Step Solution
- Step 1: Write the proportion equation
145,050,065.06 : 217,438,311.63 = 72,197,967.62 : x - Step 2: Convert to fraction form
145,050,065.06/217,438,311.63 = 72,197,967.62/x - Step 3: Cross multiply
145,050,065.06x = 217,438,311.63 × 72,197,967.62 - Step 4: Simplify right side
145,050,065.06x = 15,698,604,182,410,210 - Step 5: Solve for x
x = 15,698,604,182,410,210/145,050,065.06 - Step 6: Final answer
x = 108,228,866.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.